What are silicates? Give one example eac...

What are silicates? Give one example each of orthosilicate and pyrosilicate with their structures.

Text Solution

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The metallic derivatives of silicic acid `(H_4SiO_4)` are commonly called silicate compounds.
Orthosilicate: Ex : Willemite : `Zn_2SiO_4`
Structure: `SiO_4^4-`
O= Oxygen Silicon

Pyrosilicate: EX: Thortveitite : `Sc_2SiO_7`
Structure

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